Home / 91,934.47-126,871.29-51,102.43

Finding the Fourth Proportional to 91,934.47, 126,871.29 and 51,102.43

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Solution

The fourth proportional to 91,934.47, 126,871.29 and 51,102.43 is: 70,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.47 : 126,871.29 = 51,102.43 : x
  2. Step 2: Convert to fraction form
    91,934.47/126,871.29 = 51,102.43/x
  3. Step 3: Cross multiply
    91,934.47x = 126,871.29 × 51,102.43
  4. Step 4: Simplify right side
    91,934.47x = 6,483,431,216.23
  5. Step 5: Solve for x
    x = 6,483,431,216.23/91,934.47
  6. Step 6: Final answer
    x = 70,522.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.